lyx_mirror/development/scons/SConstruct

# vi:filetype=python:expandtab:tabstop=2:shiftwidth=2
#
# file SConstruct
#
# This file is part of LyX, the document processor.
# Licence details can be found in the file COPYING.
#
# \author Bo Peng
# Full author contact details are available in file CREDITS.
#
# This is a scons based building system for lyx, please refer
# to INSTALL.scons for detailed instructions.
#

import os, sys, copy, cPickle, glob

# config/scons_utils.py defines a few utility function
sys.path.append('config')
import scons_utils as utils

#----------------------------------------------------------
# Required runtime environment
#----------------------------------------------------------

# scons asks for 1.5.2, lyx requires 2.3
EnsurePythonVersion(2, 3)
# Please use at least 0.96.91 (not 0.96.1)
EnsureSConsVersion(0, 96)

# determine where I am ...
#
# called as 'scons -f development/scons/SConstruct'
if os.path.isfile('SConstruct'):
  top_src_dir = '../..'
  scons_dir = '.'
# called as 'cd development/scons; scons'
else:
  top_src_dir = '.'
  scons_dir = 'development/scons'


#----------------------------------------------------------
# Global definitions
#----------------------------------------------------------

# some global settings
#
# detect version of lyx
# only 1.4.x has frontends/qt2
if os.path.isdir(os.path.join(top_src_dir, 'src', 'frontends', 'qt2')):
  package_version = '1.4.2svn'
else:
  package_version = '1.5.0svn'

devel_version = True
default_build_mode = 'debug'
lyx_ext = '*.C'

package = 'lyx'
package_bugreport = 'lyx-devel@lists.lyx.org'
package_name = 'LyX'
package_tarname = 'lyx'
package_string = '%s %s' % (package_name, package_version)

# various cache/log files
default_log_file = 'scons_lyx.log'
env_cache_file = 'env.cache'


#----------------------------------------------------------
# platform dependent settings
#----------------------------------------------------------

if os.name == 'nt':
  platform_name = 'win32'
  default_frontend = 'qt4'
  default_prefix = 'c:/program files/lyx'
  default_with_x = False
  default_packaging_method = 'windows'
elif os.name == 'posix' and sys.platform != 'cygwin':
  platform_name = sys.platform
  default_frontend = 'qt3'
  default_prefix = '/usr/local'
  default_with_x = True
  default_packaging_method = 'posix'
elif os.name == 'posix' and sys.platform == 'cygwin':
  platform_name = 'cygwin'
  default_frontend = 'qt3'
  default_prefix = '/usr/local'
  default_with_x = True
  default_packaging_method = 'posix'
elif os.name == 'darwin':
  platform_name = 'macosx'
  default_frontend = 'qt3'
  # FIXME: macOSX default prefix?
  default_prefix = '.'
  default_with_x = False
  default_packaging_method = 'macosx'
else:  # unsupported system, assume posix behavior
  platform_name = 'others'
  default_frontend = 'qt3'
  default_prefix = '.'
  default_with_x = True
  default_packaging_method = 'posix'


#---------------------------------------------------------
# Handling options
#----------------------------------------------------------
#
# You can set perminant default values in config.py
if os.path.isfile('config.py'):
  print "Getting options from config.py..."
  print open('config.py').read()

opts = Options(['config.py'])
opts.AddOptions(
  # frontend,
  EnumOption('frontend', 'Main GUI', default_frontend,
    allowed_values = ('xform', 'qt2', 'qt3', 'qt4', 'gtk') ),
  # debug or release build
  EnumOption('mode', 'Building method', default_build_mode,
    allowed_values = ('debug', 'release') ),
  # boost libraries
  EnumOption('boost',
    'Use included, system boost library, or try sytem boost first.',
    'auto', allowed_values = (
      'auto',       # detect boost, if not found, use included
      'included',   # always use included boost
      'system',     # always use system boost, fail if can not find
      ) ),
  #
  EnumOption('gettext',
    'Use included, system gettext library, or try sytem gettext first',
    'auto', allowed_values = (
      'auto',       # detect gettext, if not found, use included
      'included',   # always use included gettext
      'system',     # always use system gettext, fail if can not find
      ) ),
  #
  EnumOption('spell', 'Choose spell checker to use.', 'auto',
    allowed_values = ('aspell', 'pspell', 'ispell', 'auto', 'no') ),
  # packaging method
  EnumOption('packaging', 'Packaging method to use.', default_packaging_method,
    allowed_values = ('windows', 'posix', 'macosx')),
  #
  BoolOption('fast_start', 'Whether or not use cached tests and keep current config.h', True),
  #
  BoolOption('pch', 'Whether or not use pch', False),
  # enable assertion, (config.h has ENABLE_ASSERTIOS
  BoolOption('assertions', 'Use assertions', True),
  # enable warning, (config.h has WITH_WARNINGS)
  # default to False since MSVC does not have #warning
  BoolOption('warnings', 'Use warnings', False),
  # enable glib, (config.h has _GLIBCXX_CONCEPT_CHECKS)
  BoolOption('concept_checks', 'Enable concept checks', True),
  #
  BoolOption('nls', 'Whether or not use native language support', True),
  # FIXME: not implemented
  BoolOption('profile', '(NA) Whether or not enable profiling', False),
  # FIXME: not implemented
  BoolOption('std_debug', '(NA) Whether or not turn on stdlib debug', False),
  # using x11?
  BoolOption('X11', 'Use x11 windows system', default_with_x),
  # use MS VC++ to build lyx
  BoolOption('use_vc', 'Use MS VC++ to build lyx (cl.exe will be probed)', None),
  #
  PathOption('qt_dir', 'Path to qt directory', None),
  #
  PathOption('qt_include_path', 'Path to qt include directory', None),
  #
  PathOption('qt_lib_path', 'Path to qt library directory', None),
  # build directory, will use $mode if not set
  PathOption('build_dir', 'Build directory', None),
  # extra include and libpath
  PathOption('extra_inc_path', 'Extra include path', None),
  #
  PathOption('extra_lib_path', 'Extra library path', None),
  #
  PathOption('extra_bin_path', 'A convenient way to add a path to $PATH', None),
  #
  PathOption('extra_inc_path1', 'Extra include path', None),
  #
  PathOption('extra_lib_path1', 'Extra library path', None),
  # rebuild only specifed, comma separated targets
  ('rebuild', 'rebuild only specifed, comma separated targets', None),
  # can be set to a non-existing directory
  ('prefix', 'install architecture-independent files in PREFIX', default_prefix),
  # version suffix
  ('version_suffix', 'install lyx as lyx-suffix', None),
  # how to load options
  ('load_option', '''load option from previous scons run. option can be
    yes (default): load all options
    no: do not load any option
    opt1,opt2: load specified options
    -opt1,opt2: load all options other than specified ones''', 'yes'),
  #
  ('optimization', 'optimization CCFLAGS option.', None),
  #
  PathOption('exec_prefix', 'install architecture-independent executable files in PREFIX', None),
  # log file
  ('logfile', 'save commands (not outputs) to logfile', default_log_file),
  # provided for backward compatibility
  ('dest_dir', 'install to DESTDIR. (Provided for backward compatibility only)', None),
  # environment variable can be set as options.
  ('DESTDIR', 'install to DESTDIR', None),
  ('CC', 'replace default $CC', None),
  ('LINK', 'replace default $LINK', None),
  ('CPP', 'replace default $CPP', None),
  ('CXX', 'replace default $CXX', None),
  ('CXXCPP', 'replace default $CXXCPP', None),
  ('CCFLAGS', 'replace default $CCFLAGS', None),
  ('CPPFLAGS', 'replace default $CPPFLAGS', None),
  ('LINKFLAGS', 'replace default $LINKFLAGS', None),
)

# copied from SCons/Options/BoolOption.py
# We need to use them before a boolean ARGUMENTS option is available
# in env as bool.
true_strings  = ('y', 'yes', 'true', 't', '1', 'on' , 'all' )
false_strings = ('n', 'no', 'false', 'f', '0', 'off', 'none')

# whether or not use current config.h, and cached tests
#
# if fast_start=yes (default), load variables from env_cache_file
if (not ARGUMENTS.has_key('fast_start') or \
  ARGUMENTS['fast_start'] in true_strings) \
  and os.path.isfile(env_cache_file):
  fast_start = True
  cache_file = open(env_cache_file)
  env_cache = cPickle.load(cache_file)
  cache_file.close()
  print '------------ fast_start mode --------------------'
  print '  Use cached test results and current config.h'
  print '  use fast_start=no to override'
  print
else:
  fast_start = False
  env_cache = {}

# if load_option=yes (default), load saved comand line options
#
# This option can take value yes/no/opt1,opt2/-opt1,opt2
# and tries to be clever in choosing options to load
if (not ARGUMENTS.has_key('load_option') or \
  ARGUMENTS['load_option'] not in false_strings) \
  and os.path.isfile(env_cache_file):
  cache_file = open(env_cache_file)
  opt_cache = cPickle.load(cache_file)['arg_cache']
  cache_file.close()
  # import cached options, but we should ignore qt_dir when frontend changes
  if ARGUMENTS.has_key('frontend') and opt_cache.has_key('frontend') \
    and ARGUMENTS['frontend'] != opt_cache['frontend'] \
    and opt_cache.has_key('qt_dir'):
    opt_cache.pop('qt_dir')
  # some options will require full rebuild
  # these are in general things that will change config.h
  for arg in ['version_suffix', 'nls', 'boost', 'spell']:
    if ARGUMENTS.has_key(arg) and ((not opt_cache.has_key(arg)) or \
      ARGUMENTS[arg] != opt_cache[arg]):
      if fast_start:
        print "  ** fast_start is disabled because of the change of option", arg
        print
        fast_start = False
  # and we do not cache some options
  for arg in ['fast_start', 'load_option']:
    if opt_cache.has_key(arg):
      opt_cache.pop(arg)
  # now, if load_option=opt1,opt2 or -opt1,opt2
  if ARGUMENTS.has_key('load_option') and \
    ARGUMENTS['load_option'] not in true_strings + false_strings:
    # if -opt1,opt2 is specified, do not load these options
    if ARGUMENTS['load_option'][0] == '-':
      for arg in ARGUMENTS['load_option'][1:].split(','):
        if opt_cache.has_key(arg):
          opt_cache.pop(arg)
    # if opt1,opt2 is specified, only load specified options
    else:
      args = ARGUMENTS['load_option'].split(',')
      for arg in opt_cache.keys():
        if arg not in args:
          opt_cache.pop(arg)
  # now restore options as if entered from command line
  for key in opt_cache.keys():
    if not ARGUMENTS.has_key(key):
      ARGUMENTS[key] = opt_cache[key]
      print "Restoring cached option  %s=%s" % (key, ARGUMENTS[key])
  print

# save arguments
env_cache['arg_cache'] = ARGUMENTS


#---------------------------------------------------------
# Setting up environment
#---------------------------------------------------------

# I do not really like ENV=os.environ, but you may add it
# here if you experience some environment related problem
env = Environment(options = opts)

# set individual variables since I do not really like ENV = os.environ
env['ENV']['PATH'] = os.environ.get('PATH')
env['ENV']['HOME'] = os.environ.get('HOME')
# these are defined for MSVC
env['ENV']['LIB'] = os.environ.get('LIB')
env['ENV']['INCLUDE'] = os.environ.get('INCLUDE')

# for simplicity, use var instead of env[var]
frontend = env['frontend']
prefix = env['prefix']
mode = env['mode']
use_pch = env['pch']

if platform_name == 'win32':
  if env.has_key('use_vc'):
    use_vc = env['use_vc']
    if WhereIs('cl.exe') is None:
      print "cl.exe is not found. Are you using the MSVC environment?"
      Exit(2)
  elif WhereIs('cl.exe') is not None:
    use_vc = True
  else:
    use_vc = False
else:
  use_vc = False

# lyx will be built to $build/build_dir so it is possible
# to build multiple build_dirs using the same source
# $mode can be debug or release
if env.has_key('build_dir') and env['build_dir'] is not None:
  env['BUILDDIR'] = env['build_dir']
else:
  # Determine the name of the build $mode
  env['BUILDDIR'] = '#' + mode

# all built libraries will go to build_dir/libs
# (This is different from the make file approach)
env['LOCALLIBPATH'] = '$BUILDDIR/libs'
env.AppendUnique(LIBPATH = ['$LOCALLIBPATH'])


# Here is a summary of variables defined in env
# 1. defined options
# 2. undefined options with a non-None default value
# 3. compiler commands and flags like CCFLAGS.
#     MSGFMT used to process po files
# 4. Variables that will be used to replace variables in some_file.in
#     src/support/package.C.in:
#       TOP_SRCDIR, LOCALEDIR, LYX_DIR, PROGRAM_SUFFIX
#     lib/lyx2lyx/lyx2lyx_version.py.in
#       PACKAGE_VERSION
#     src/version.C.in
#       PACKAGE_VERSION, VERSION_INFO
#     src/frontends/xforms/lyx_xpm.h.in
#       XPM_H_LOCATION
#     src/frontends/xforms/lyx_forms.h.in
#       FORMS_H_LOCATION

# full path name is used to build msvs project files
# and to replace TOP_SRCDIR in package.C
env['TOP_SRCDIR'] = Dir(top_src_dir).abspath
# needed by src/version.C.in => src/version.C
env['PACKAGE_VERSION'] = package_version

# determine share_dir etc
packaging_method = env.get('packaging')
if packaging_method == 'windows':
  share_dir = 'Resources'
  man_dir = 'Resources/man/man1'
  locale_dir = 'Resources/locale'
  default_prefix = 'c:/program files/lyx'
else:
  share_dir = 'share/lyx'
  man_dir = 'man/man1'
  locale_dir = 'share/locale'
  default_prefix = '/usr/local/'

# install to default_prefix by default
# program suffix: can be yes, or a string
if env.has_key('version_suffix'):
  if env['version_suffix'] in true_strings:
    program_suffix = package_version
  elif env['version_suffix'] in false_strings:
    program_suffix = ''
  else:
    program_suffix = env['version_suffix']
else:
  program_suffix = ''
# used by package.C.in
env['PROGRAM_SUFFIX'] = program_suffix

# whether or not add suffix to file and directory names
add_suffix = packaging_method != 'windows'
# LYX_DIR are different (used in package.C.in)
if add_suffix:
  env['LYX_DIR'] = Dir(os.path.join(prefix, share_dir + program_suffix)).abspath
else:
  env['LYX_DIR'] = Dir(os.path.join(prefix, share_dir)).abspath
# we need absolute path for package.C
env['LOCALEDIR'] = Dir(os.path.join(prefix, locale_dir)).abspath


#---------------------------------------------------------
# Setting building environment (Tools, compiler flags etc)
#---------------------------------------------------------

# Since Tool('mingw') will reset CCFLAGS etc, this should be
# done before getEnvVariable
if platform_name == 'win32':
  if use_vc:
    env.Tool('msvc')
    env.Tool('mslink')
  else:
    env.Tool('mingw')
    env.AppendUnique(CPPPATH = ['#c:/MinGW/include'])

# we differentiate between hard-coded options and default options
# hard-coded options are required and will always be there
# default options can be replaced by enviromental variables or command line options
CCFLAGS_required = []
LINKFLAGS_required = []
CCFLAGS_default = []

# under windows, scons is confused by .C/.c and uses gcc instead of
# g++. I am forcing the use of g++ here. This is expected to change
# after lyx renames all .C files to .cpp
#
# save the old c compiler and CCFLAGS (used by libintl)
C_COMPILER = env.subst('$CC')
C_CCFLAGS = env.subst('$CCFLAGS').split()
# if we use ms vc, the commands are fine (cl.exe and link.exe)
if use_vc:
  # /TP treat all source code as C++
  # C4819: The file contains a character that cannot be represented
  #   in the current code page (number)
  # C4996: foo was decleared deprecated
  CCFLAGS_required.extend(['/TP', '/EHsc'])
  CCFLAGS_default.extend(['/wd4819', '/wd4996', '/nologo'])
else:
  if env.has_key('CXX') and env['CXX']:
    env['CC'] = env.subst('$CXX')
    env['LINK'] = env.subst('$CXX')
  else:
    env['CC'] = 'g++'
    env['LINK'] = 'g++'

# only support gcc now
if use_pch and not use_vc:
  CCFLAGS_required.extend(['-Winvalid-pch'])

# for debug/release mode
if env.has_key('optimization') and env['optimization'] is not None:
  # if user supplies optimization flags, use it anyway
  CCFLAGS_required.extend(env['optimization'].split())
  # and do not use default
  set_default_optimization_flags = False
else:
  set_default_optimization_flags = True

if mode == 'debug':
  if use_vc:
    CCFLAGS_required.append('/Zi')
    LINKFLAGS_required.extend(['/debug', '/map'])
  else:
    CCFLAGS_required.append('-g')
    CCFLAGS_default.extend(['-Wall', '-O'])
elif mode == 'release' and set_default_optimization_flags:
  if use_vc:
    CCFLAGS_default.append('/O2')
  else:
    CCFLAGS_default.append('-O2')

# Now, set the variables as follows:
# 1. if command line option exists: replace default
# 2. then if s envronment variable exists: replace default
# 3. set variable to required + default
def setEnvVariable(env, name, required = None, default = None, split = True):
  ''' env: environment to set variable
      name: variable
      required: hardcoded options
      default: default options that can be replaced by command line or
        environment variables
      split: whether or not split obtained variable like '-02 -g'
  '''
  # first try command line argument (override environment settings)
  if ARGUMENTS.has_key(name):
    default = ARGUMENTS[name]
    if split:
      default = default.split()
  # then use environment default
  elif os.environ.has_key(name):
    print "Acquiring varaible %s from system environment: %s" % (name, os.environ[name])
    default = os.environ[name]
    if split:
      default = default.split()
  # set variable
  if required is not None:
    env[name] = required
  if default is not None:
    if env.has_key(name):
      env[name] += default
    else:
      env[name] = default

setEnvVariable(env, 'DESTDIR', split=False)
setEnvVariable(env, 'CC')
setEnvVariable(env, 'LINK')
setEnvVariable(env, 'CPP')
setEnvVariable(env, 'CXX')
setEnvVariable(env, 'CXXCPP')
setEnvVariable(env, 'CCFLAGS', CCFLAGS_required, CCFLAGS_default)
setEnvVariable(env, 'CXXFLAGS')
setEnvVariable(env, 'CPPFLAGS')
setEnvVariable(env, 'LINKFLAGS', LINKFLAGS_required)

# if DESTDIR is not set...
if env.has_key('dest_dir'):
  print "This option is obsolete. Please use DESTDIR instead."
  env['DESTDIR'] = env['dest_dir']
dest_dir = env.get('DESTDIR', prefix)


#---------------------------------------------------------
# Frontend related variables (QTDIR etc)
#---------------------------------------------------------

if env.has_key('qt_dir') and env['qt_dir']:
  env['QTDIR'] = env['qt_dir']
  # add path to the qt tools
  env.AppendUnique(LIBPATH = [os.path.join(env['qt_dir'], 'lib')])
  # set environment so that moc etc can be found even if its path is not set properly
  env.PrependENVPath('PATH', os.path.join(env['qt_dir'], 'bin'))
else:
  env['QTDIR'] = os.environ.get('QTDIR', '/usr/lib/qt-3.3')

if env.has_key('qt_lib_path') and env['qt_lib_path']:
  qt_lib_path = env.subst('$qt_lib_path')
else:
  qt_lib_path = env.subst('$QTDIR/lib')
env.AppendUnique(LIBPATH = [qt_lib_path])
# qt4 seems to be using pkg_config
env.PrependENVPath('PKG_CONFIG_PATH', qt_lib_path)

if env.has_key('qt_inc_path') and env['qt_inc_path']:
  qt_inc_path = env['qt_inc_path']
elif os.path.isdir(os.path.join(env.subst('$QTDIR'), 'include')):
  qt_inc_path = '$QTDIR/include'
# this is the path for cygwin.
elif os.path.isdir('/usr/include/' + frontend):
  qt_inc_path = '/usr/include/$frontend'
else:
  print "Qt include directory not found. Please specify it using qt_inc_path"
  Exit(1)
# Note that this CPPPATH is for testing only
# it will be removed before calling SConscript
env['CPPPATH'] = [qt_inc_path]

#
# extra_inc_path and extra_lib_path
#
extra_inc_paths = []
if env.has_key('extra_inc_path') and env['extra_inc_path']:
  extra_inc_paths.append(env['extra_inc_path'])
if env.has_key('extra_lib_path') and env['extra_lib_path']:
  env.AppendUnique(LIBPATH = [env['extra_lib_path']])
if env.has_key('extra_inc_path1') and env['extra_inc_path1']:
  extra_inc_paths.append(env['extra_inc_path1'])
if env.has_key('extra_lib_path1') and env['extra_lib_path1']:
  env.AppendUnique(LIBPATH = [env['extra_lib_path1']])
if env.has_key('extra_bin_path') and env['extra_bin_path']:
  # maybe only one of them is needed
  os.environ['PATH'] += os.pathsep + env['extra_bin_path']
  env['ENV']['PATH'] += os.pathsep + env['extra_bin_path']
# extra_inc_paths will be used later by intlenv etc
env.AppendUnique(CPPPATH = extra_inc_paths)


#----------------------------------------------------------
# Autoconf business
#----------------------------------------------------------

conf = Configure(env,
  custom_tests = {
    'CheckPkgConfig' : utils.checkPkgConfig,
    'CheckPackage' : utils.checkPackage,
    'CheckMkdirOneArg' : utils.checkMkdirOneArg,
    'CheckSelectArgType' : utils.checkSelectArgType,
    'CheckBoostLibraries' : utils.checkBoostLibraries,
    'CheckCommand' : utils.checkCommand,
    'CheckCXXGlobalCstd' : utils.checkCXXGlobalCstd,
    'CheckLC_MESSAGES' : utils.checkLC_MESSAGES,
  }
)

# pkg-config? (if not, we use hard-coded options)
if not fast_start:
  if conf.CheckPkgConfig('0.15.0'):
    env['HAS_PKG_CONFIG'] = True
  else:
    print 'pkg-config >= 0.1.50 is not found'
    env['HAS_PKG_CONFIG'] = False
  env_cache['HAS_PKG_CONFIG'] = env['HAS_PKG_CONFIG']
else:
  env['HAS_PKG_CONFIG'] = env_cache['HAS_PKG_CONFIG']

# zlib? This is required. (fast_start assumes the existance of zlib)
if not fast_start:
  if (not use_vc and not conf.CheckLibWithHeader('z', 'zlib.h', 'C')) \
    or (use_vc and not conf.CheckLibWithHeader('zdll', 'zlib.h', 'C')):
    print 'Did not find zdll.lib or zlib.h, exiting!'
    Exit(1)

# qt libraries?
if not fast_start:
  #
  # qt3 does not use pkg_config
  if frontend in ['qt2', 'qt3']:
    if not conf.CheckLibWithHeader('qt-mt', 'qapp.h', 'c++', 'QApplication qapp();'):
      print 'Did not find qt libraries, exiting!'
      Exit(1)
  elif frontend == 'qt4':
    succ = False
    # first: try pkg_config
    if env['HAS_PKG_CONFIG']:
      succ = conf.CheckPackage('QtCore') or conf.CheckPackage('QtCore4')
      # FIXME: use pkg_config information?
      #env['QT4_PKG_CONFIG'] = succ
    # second: try to link to it
    if not succ:
      # Under linux, I can test the following perfectly
      # Under windows, lib names need to passed as libXXX4.a ...
      succ = conf.CheckLibWithHeader('QtCore', 'QtGui/QApplication', 'c++', 'QApplication qapp();') or \
        conf.CheckLibWithHeader('QtCore4', 'QtGui/QApplication', 'c++', 'QApplication qapp();')
    # third: try to look up the path
    if not succ:
      succ = True
      for lib in ['QtCore', 'QtGui']:
        # windows version has something like QtGui4 ...
        if not (os.path.isfile(os.path.join(qt_lib_path, 'lib%s.a' % lib)) or \
          os.path.isfile(os.path.join(qt_lib_path, 'lib%s4.a' % lib))):
          succ = False
          break
    # still can not find it
    if succ:
      print "Qt4 libraries are found."
    else:
      print 'Did not find qt libraries, exiting!'
      Exit(1)

# now, if msvc2005 is used, we will need that QT_LIB_PATH/QT_LIB.manifest file
if use_vc:
  if mode == 'debug':
    manifest = os.path.join(qt_lib_path, 'QtGuid4.dll.manifest')
  else:
    manifest = os.path.join(qt_lib_path, 'QtGui4.dll.manifest')
  if os.path.isfile(manifest):
    env['LINKCOM'] = [env['LINKCOM'], 'mt.exe /MANIFEST %s /outputresource:$TARGET;1' % manifest]

# check socket libs
if not fast_start:
  socket_libs = []
  if conf.CheckLib('socket'):
    socket_libs.append('socket')
  # nsl is the network services library and provides a
  # transport-level interface to networking services.
  if conf.CheckLib('nsl'):
    socket_libs.append('nsl')
  env_cache['SOCKET_LIBS'] = socket_libs
else:
  socket_libs = env_cache['SOCKET_LIBS']

# check available boost libs (since lyx1.4 does not use iostream)
boost_libs = []
for lib in ['signals', 'regex', 'filesystem', 'iostreams']:
  if os.path.isdir(os.path.join(top_src_dir, 'boost', 'libs', lib)):
    boost_libs.append(lib)

if not fast_start:
  # check boost libraries
  boost_opt = ARGUMENTS.get('boost', 'auto')
  # check for system boost
  paths = env['LIBPATH'] + ['/usr/lib', '/usr/local/lib']
  # real libraries (included or system)
  boost_libraries = []
  boost_libpath = None
  # here I assume that all libraries are in the same directory
  for lib in boost_libs:
    if boost_opt == 'included':
      boost_libraries.append('included_boost_%s' % lib)
      env['INCLUDED_BOOST'] = True
    elif boost_opt == 'auto':
      res = conf.CheckBoostLibraries('boost_%s' % lib , paths)
      # if not found
      if res[0] == '':
        boost_libraries.append('included_boost_%s' % lib)
        env['INCLUDED_BOOST'] = True
      else:
        boost_libraries.append(res[1])
        env['INCLUDED_BOOST'] = False
        boost_libpath = res[0]
    elif boost_opt == 'system':
      res = conf.CheckBoostLibraries('boost_%s' % lib , paths)
      if res[0] == '':
        print "Can not find system boost libraries"
        print "Please supply a path through extra_lib_path and try again."
        print "Or use boost=included to use included boost libraries."
        Exit(2)
      else:
        boost_libraries.append(res[1])
        env.AppendUnique(LIBPATH = [res[0]])
        boost_libpath = res[0]
  env_cache['BOOST_LIBRARIES'] = boost_libraries
  env_cache['INCLUDED_BOOST'] = env['INCLUDED_BOOST']
  env_cache['BOOST_LIBPATH'] = boost_libpath
else:
  boost_libraries = env_cache['BOOST_LIBRARIES']
  env['INCLUDED_BOOST'] = env_cache['INCLUDED_BOOST']
  boost_libpath = env_cache['BOOST_LIBPATH']

if boost_libpath is not None:
  env.AppendUnique(LIBPATH = [boost_libpath])


env['ENABLE_NLS'] = env['nls']

if not fast_start:
  if not env['ENABLE_NLS']:
    intl_libs = []
    included_gettext = False
  else:
    # check gettext libraries
    gettext_opt = ARGUMENTS.get('gettext', 'auto')
    # check for system gettext
    succ = False
    if gettext_opt in ['auto', 'system']:
      if conf.CheckLib('intl'):
        included_gettext = False
        intl_libs = ['intl']
        succ = True
      else: # no found
        if gettext_opt == 'system':
          print "Can not find system gettext library"
          print "Please supply a path through extra_lib_path and try again."
          print "Or use gettext=included to use included gettext libraries."
          Exit(2)
    # now, auto and succ = false, or gettext=included
    if not succ:
      # we do not need to set LIBPATH now.
      included_gettext = True
      intl_libs = ['included_intl']
  env_cache['INCLUDED_GETTEXT'] = included_gettext
  env_cache['INTL_LIBS'] = intl_libs
else:
  included_gettext = env_cache['INCLUDED_GETTEXT']
  intl_libs = env_cache['INTL_LIBS']

#
# check for msgfmt command
if not fast_start:
  env['MSGFMT'] = conf.CheckCommand('msgfmt')
  env_cache['MSGFMT'] = env['MSGFMT']
else:
  env['MSGFMT'] = env_cache['MSGFMT']


#----------------------------------------------------------
# Generating config.h
#----------------------------------------------------------
aspell_lib = 'aspell'
# assume that we use aspell, aspelld compiled for msvc
if platform_name == 'win32' and mode == 'debug' and use_vc:
  aspell_lib = 'aspelld'

if not fast_start:
  #
  boost_config_h = os.path.join(env.Dir('$BUILDDIR/boost').path, 'config.h')
  #
  print "Creating %s..." % boost_config_h
  #
  utils.createConfigFile(conf,
    config_file = boost_config_h,
    config_pre = '''/* boost/config.h.  Generated by SCons.  */

/* -*- C++ -*- */
/*
 * \file config.h
 * This file is part of LyX, the document processor.
 * Licence details can be found in the file COPYING.
 *
 * This is the compilation configuration file for LyX.
 * It was generated by scon.
 * You might want to change some of the defaults if something goes wrong
 * during the compilation.
 */

#ifndef _BOOST_CONFIG_H
#define _BOOST_CONFIG_H
''',
    headers = [
      ('ostream', 'HAVE_OSTREAM', 'cxx'),
      ('locale', 'HAVE_LOCALE', 'cxx'),
      ('sstream', 'HAVE_SSTREAM', 'cxx'),
      #('newapis.h', 'HAVE_NEWAPIS_H', 'c'),
    ],
    custom_tests = [
      (env.has_key('assertions') and env['assertions'],
        'ENABLE_ASSERTIONS',
        'Define if you want assertions to be enabled in the code'
      ),
    ],
    config_post = '''

#if defined(HAVE_OSTREAM) && defined(HAVE_LOCALE) && defined(HAVE_SSTREAM)
#  define USE_BOOST_FORMAT 1
#else
#  define USE_BOOST_FORMAT 0
#endif

#if !defined(ENABLE_ASSERTIONS)
#  define BOOST_DISABLE_ASSERTS 1
#endif
#define BOOST_ENABLE_ASSERT_HANDLER 1

#define BOOST_DISABLE_THREADS 1
#define BOOST_NO_WREGEX 1
#define BOOST_NO_WSTRING 1

#ifdef __CYGWIN__
#  define BOOST_POSIX 1
#endif

#define BOOST_ALL_NO_LIB 1

#if defined(HAVE_NEWAPIS_H)
#  define WANT_GETFILEATTRIBUTESEX_WRAPPER 1
#endif

#endif
'''
  )
  #
  # config.h for each build
  config_h = os.path.join(env.Dir('$BUILDDIR/common').path, 'config.h')

  print "\nGenerating %s..." % config_h

  # AIKSAURUS_H_LOCATION
  if (conf.CheckCXXHeader("Aiksaurus.h")):
    aik_location = '<Aiksaurus.h>'
  elif (conf.CheckCXXHeader("Aiksaurus/Aiksaurus.h")):
    aik_location = '<Aiksaurus/Aiksaurus.h>'
  else:
    aik_location = ''

  # determine headers to use
  spell_opt = ARGUMENTS.get('spell', 'auto')
  env['USE_ASPELL'] = False
  env['USE_PSPELL'] = False
  env['USE_ISPELL'] = False
  if spell_opt in ['auto', 'aspell'] and conf.CheckLib(aspell_lib):
    spell_engine = 'USE_ASPELL'
  elif spell_opt in ['auto', 'pspell'] and conf.CheckLib('pspell'):
    spell_engine = 'USE_PSPELL'
  elif spell_opt in ['auto', 'ispell'] and conf.CheckLib('ispell'):
    spell_engine = 'USE_ISPELL'
  else:
    spell_engine = None

  if spell_engine is not None:
    env[spell_engine] = True
  else:
    if spell_opt == 'auto':
      print "Warning: Can not locate any spell checker"
    elif spell_opt != 'no':
      print "Warning: Can not locate specified spell checker:", spell_opt
      Exit(1)

  # check arg types of select function
  (select_arg1, select_arg234, select_arg5) = conf.CheckSelectArgType()

  #
  # create config.h
  result = utils.createConfigFile(conf,
    config_file = config_h,
    config_pre = '''/* src/config.h.  Generated by SCons.  */

/* -*- C++ -*- */
/*
 * \file config.h
 * This file is part of LyX, the document processor.
 * Licence details can be found in the file COPYING.
 *
 * This is the compilation configuration file for LyX.
 * It was generated by scon.
 * You might want to change some of the defaults if something goes wrong
 * during the compilation.
 */

#ifndef _CONFIG_H
#define _CONFIG_H
''',
    headers = [
      ('io.h', 'HAVE_IO_H', 'c'),
      ('limits.h', 'HAVE_LIMITS_H', 'c'),
      ('locale.h', 'HAVE_LOCALE_H', 'c'),
      ('process.h', 'HAVE_PROCESS_H', 'c'),
      ('stdlib.h', 'HAVE_STDLIB_H', 'c'),
      ('sys/stat.h', 'HAVE_SYS_STAT_H', 'c'),
      ('sys/time.h', 'HAVE_SYS_TIME_H', 'c'),
      ('sys/types.h', 'HAVE_SYS_TYPES_H', 'c'),
      ('sys/utime.h', 'HAVE_SYS_UTIME_H', 'c'),
      ('sys/socket.h', 'HAVE_SYS_SOCKET_H', 'c'),
      ('unistd.h', 'HAVE_UNISTD_H', 'c'),
      ('utime.h', 'HAVE_UTIME_H', 'c'),
      ('direct.h', 'HAVE_DIRECT_H', 'c'),
      ('istream', 'HAVE_ISTREAM', 'cxx'),
      ('ios', 'HAVE_IOS', 'cxx'),
    ],
    functions = [
      ('open', 'HAVE_OPEN', None),
      ('close', 'HAVE_CLOSE', None),
      ('popen', 'HAVE_POPEN', None),
      ('pclose', 'HAVE_PCLOSE', None),
      ('_open', 'HAVE__OPEN', None),
      ('_close', 'HAVE__CLOSE', None),
      ('_popen', 'HAVE__POPEN', None),
      ('_pclose', 'HAVE__PCLOSE', None),
      ('getpid', 'HAVE_GETPID', None),
      ('_getpid', 'HAVE__GETPID', None),
      ('mkdir', 'HAVE_MKDIR', None),
      ('_mkdir', 'HAVE__MKDIR', None),
      ('mktemp', 'HAVE_MKTEMP', None),
      ('mkstemp', 'HAVE_MKSTEMP', None),
      ('strerror', 'HAVE_STRERROR', None),
      ('count', 'HAVE_STD_COUNT', '''
#include <algorithm>
int count()
{
  char a[] = "hello";
  return std::count(a, a+5, 'l');
}
'''),
      ('getcwd', 'HAVE_GETCWD', None),
      ('setenv', 'HAVE_SETENV', None),
      ('putenv', 'HAVE_PUTENV', None),
      ('fcntl', 'HAVE_FCNTL', None),
    ],
    types = [
      ('std::istreambuf_iterator<std::istream>', 'HAVE_DECL_ISTREAMBUF_ITERATOR',
        '#include <streambuf>\n#include <istream>')
    ],
    libs = [
      ('gdi32', 'HAVE_LIBGDI32'),
      (('iconv', 'libiconv'), 'HAVE_ICONV', 'ICONV_LIB'),
      (('Aiksaurus', 'libAiksaurus'), 'HAVE_LIBAIKSAURUS', 'AIKSAURUS_LIB'),
    ],
    custom_tests = [
      (conf.CheckType('pid_t', includes='#include <sys/types.h>'),
        'HAVE_PID_T',
        'Define is sys/types.h does not have pid_t',
        '',
        '#define pid_t int',
      ),
      (conf.CheckCXXGlobalCstd(),
        'CXX_GLOBAL_CSTD',
        'Define if your C++ compiler puts C library functions in the global namespace'
      ),
      (conf.CheckMkdirOneArg(),
        'MKDIR_TAKES_ONE_ARG',
        'Define if mkdir takes only one argument.'
      ),
      (conf.CheckLC_MESSAGES(),
        'HAVE_LC_MESSAGES',
        'Define if your <locale.h> file defines LC_MESSAGES.'
      ),
      (devel_version, 'DEVEL_VERSION', 'Whether or not a development version'),
      (env.has_key('nls') and env['nls'],
        'ENABLE_NLS',
        "Define to 1 if translation of program messages to the user's native anguage is requested.",
      ),
      (env.has_key('warnings') and env['warnings'],
        'WITH_WARNINGS',
        'Define this if you want to see the warning directives put here and there by the developpers to get attention'
      ),
      (env.has_key('concept_checks') and env['concept_checks'],
        '_GLIBCXX_CONCEPT_CHECKS',
        'libstdc++ concept checking'
      ),
      (os.name != 'nt', 'BOOST_POSIX',
        'Indicates to boost which API to use (posix or windows).'
      ),
      (spell_engine is not None, spell_engine,
        'Spell engine to use'
      ),
    ],
    extra_items = [
      ('#define PACKAGE "%s%s"' % (package, program_suffix),
        'Name of package'),
      ('#define PACKAGE_BUGREPORT "%s"' % package_bugreport,
        'Define to the address where bug reports for this package should be sent.'),
      ('#define PACKAGE_NAME "%s"' % package_name,
        'Define to the full name of this package.'),
      ('#define PACKAGE_STRING "%s"' % package_string,
        'Define to the full name and version of this package.'),
      ('#define PACKAGE_TARNAME "%s"' % package_tarname,
        'Define to the one symbol short name of this package.'),
      ('#define PACKAGE_VERSION "%s"' % package_version,
        'Define to the version of this package.'),
      ('#define BOOST_ALL_NO_LIB 1',
        'disable automatic linking of boost libraries.'),
      ('#define USE_%s_PACKAGING 1' % packaging_method.upper(),
        'Packaging method'),
      ('#define AIKSAURUS_H_LOCATION ' + aik_location,
        'Aiksaurus include file'),
      ('#define SELECT_TYPE_ARG1 %s' % select_arg1,
        "Define to the type of arg 1 for `select'."),
      ('#define SELECT_TYPE_ARG234 %s' % select_arg234,
        "Define to the type of arg 2, 3, 4 for `select'."),
      ('#define SELECT_TYPE_ARG5 %s' % select_arg5,
        "Define to the type of arg 5 for `select'."),
    ],
    config_post = '''/************************************************************
 ** You should not need to change anything beyond this point */

#ifndef HAVE_STRERROR
#if defined(__cplusplus)
extern "C"
#endif
char * strerror(int n);
#endif

#ifdef HAVE_MKSTEMP
#ifndef HAVE_DECL_MKSTEMP
#if defined(__cplusplus)
extern "C"
#endif
int mkstemp(char*);
#endif
#endif

#include <../boost/config.h>

#endif
'''
  )

  # these keys are needed in env
  for key in ['USE_ASPELL', 'USE_PSPELL', 'USE_ISPELL', 'HAVE_FCNTL',\
    'HAVE_ICONV', 'HAVE_LIBGDI32', 'HAVE_LIBAIKSAURUS',
    'ICONV_LIB', 'AIKSAURUS_LIB']:
    # USE_ASPELL etc does not go through result
    if result.has_key(key):
      env[key] = result[key]
    env_cache[key] = env[key]
else:
  #
  # this comes as a big surprise, without this line
  # (doing nothing obvious), adding fast_start=yes
  # to a build with fast_start=no will result in a rebuild
  # Note that the exact header file to check does not matter
  conf.CheckCHeader('io.h')
  # only a few variables need to be rescanned
  for key in ['USE_ASPELL', 'USE_PSPELL', 'USE_ISPELL', 'HAVE_FCNTL',\
    'HAVE_ICONV', 'HAVE_LIBGDI32', 'HAVE_LIBAIKSAURUS',
    'ICONV_LIB', 'AIKSAURUS_LIB']:
    env[key] = env_cache[key]

#
# Finish auto-configuration
env = conf.Finish()

#----------------------------------------------------------
# Now set up our build process accordingly
#----------------------------------------------------------

#
# QT_LIB
#
# NOTE: Tool('qt') or Tool('qt4') will be loaded later
# in their respective directory and specialized env.
try:
  if frontend in ['qt2', 'qt3']:
    # note: env.Tool('qt') my set QT_LIB to qt
    qt_libs = ['qt-mt']
    frontend_libs = ['qt-mt']
  elif frontend == 'qt4':
    qt_libs = ['QtCore', 'QtGui']
    # set the right lib names
    if platform_name == 'win32':
      if mode == 'debug' and use_vc:
        qt_lib_suffix = 'd4'
      else:
        qt_lib_suffix = '4'
    else:
      if mode == 'debug':
        qt_lib_suffix = '_debug'
      else:
        qt_lib_suffix = ''
    frontend_libs = [x + qt_lib_suffix for x in qt_libs]
except:
  print "Can not locate qt tools"
  print "What I get is "
  print "  QTDIR: ", env['QTDIR']


if platform_name in ['win32', 'cygwin']:
  # the final link step needs stdc++ to succeed under mingw
  # FIXME: shouldn't g++ automatically link to stdc++?
  if use_vc:
    system_libs = ['shlwapi', 'shell32', 'advapi32', 'zdll']
  else:
    system_libs = ['shlwapi', 'stdc++', 'z']
elif platform_name == 'cygwin' and env['X11']:
  system_libs = ['GL',  'Xmu', 'Xi', 'Xrender', 'Xrandr', 'Xcursor',
    'Xft', 'freetype', 'fontconfig', 'Xext', 'X11', 'SM', 'ICE', 'resolv',
    'pthread', 'z']
else:
  system_libs = ['z']

libs = [
  ('HAVE_ICONV', env['ICONV_LIB']),
  ('HAVE_LIBGDI32', 'gdi32'),
  ('HAVE_LIBAIKSAURUS', env['AIKSAURUS_LIB']),
  ('USE_ASPELL', aspell_lib),
  ('USE_ISPELL', 'ispell'),
  ('USE_PSPELL', 'pspell'),
]

for lib in libs:
  if env[lib[0]]:
    system_libs.append(lib[1])

#
# Build parameters CPPPATH etc
#
if env['X11']:
  env.AppendUnique(LIBPATH = ['/usr/X11R6/lib'])

#
# boost: for boost header files
# BUILDDIR/common: for config.h
# TOP_SRCDIR/src: for support/* etc
#
env['CPPPATH'] += ['$TOP_SRCDIR/boost', '$BUILDDIR/common', '$TOP_SRCDIR/src']
#
# QT_INC_PATH is not needed for *every* source file
env['CPPPATH'].remove(qt_inc_path)

#
# Customized builders
#
# install customized builders
env['BUILDERS']['substFile'] = Builder(action = utils.env_subst)
if use_pch and not use_vc:
  env['CCPCHFLAGS'] =  '-x c++-header'
  env['BUILDERS']['PCH'] = Builder(
    action = '$CXX $CPPFLAGS $_CPPDEFFLAGS $_CPPINCFLAGS $CCPCHFLAGS $SOURCES -o $TARGET',
    suffix = '.h.pch', src_suffix = '.h'
  )
else:
  # do nothing
  def emptyTarget(target, source, env):
    return [], source
  env['BUILDERS']['PCH'] = Builder(action = '', emitter = emptyTarget)

#
# A Link script for cygwin see
# http://www.cygwin.com/ml/cygwin/2004-09/msg01101.html
# http://www.cygwin.com/ml/cygwin-apps/2004-09/msg00309.html
# for details
#
if platform_name == 'cygwin':
  ld_script_path = '/usr/lib/qt3/mkspecs/cygwin-g++'
  ld_script = utils.installCygwinLDScript(ld_script_path)
  env.AppendUnique(LINKFLAGS = ['-Wl,--enable-runtime-pseudo-reloc',
    '-Wl,--script,%s' % ld_script, '-Wl,-s'])

#
# Report results
#
# fill in the version info
env['VERSION_INFO'] = '''Configuration
  Host type:                      %s
  Special build flags:            %s
  C   Compiler:                   %s
  C   Compiler flags:             %s %s
  C++ Compiler:                   %s
  C++ Compiler LyX flags:         %s
  C++ Compiler flags:             %s %s
  Linker flags:                   %s
  Linker user flags:              %s
Build info:
  Builing directory:              %s
  Local library directory:        %s
  Libraries paths:                %s
  Boost libraries:                %s
  Frontend libraries:             %s
  System libraries:               %s
  include search path:            %s
Frontend:
  Frontend:                       %s
  Packaging:                      %s
  LyX dir:                        %s
  LyX files dir:                  %s
''' % (platform_name,
  env.subst('$CCFLAGS'), env.subst('$CC'),
  env.subst('$CPPFLAGS'), env.subst('$CFLAGS'),
  env.subst('$CXX'), env.subst('$CXXFLAGS'),
  env.subst('$CPPFLAGS'), env.subst('$CXXFLAGS'),
  env.subst('$LINKFLAGS'), env.subst('$LINKFLAGS'),
  env.subst('$BUILDDIR'), env.subst('$LOCALLIBPATH'),
  str(env['LIBPATH']), str(boost_libraries),
  str(frontend_libs), str(system_libs), str(env['CPPPATH']),
  frontend, packaging_method,
  prefix, env['LYX_DIR'])

if frontend in ['qt2', 'qt3', 'qt4']:
  env['VERSION_INFO'] += '''  include dir:                    %s
  library dir:                    %s
  X11:                            %s
''' % (qt_inc_path, qt_lib_path, env['X11'])

if not fast_start:
  print env['VERSION_INFO']

#
# Mingw command line may be too short for our link usage,
# Here we use a trick from scons wiki
# http://www.scons.org/cgi-sys/cgiwrap/scons/moin.cgi/LongCmdLinesOnWin32
#
# I also would like to add logging (commands only) capacity to the
# spawn system.
logfile = env.get('logfile', default_log_file)
if logfile != '' or platform_name == 'win32':
  import time
  utils.setLoggedSpawn(env, logfile, longarg = (platform_name == 'win32'),
    info = '''# This is a log of commands used by scons to build lyx
# Time: %s
# Command: %s
# Info: %s
''' % (time.asctime(), ' '.join(sys.argv),
  env['VERSION_INFO'].replace('\n','\n# ')) )


# Cleanup stuff
#
# -h will print out help info
Help(opts.GenerateHelpText(env))


#----------------------------------------------------------
# Start building
#----------------------------------------------------------
# this has been the source of problems on some platforms...
# I find that I need to supply it with full path name
env.SConsignFile(os.path.join(Dir(env['BUILDDIR']).abspath, '.sconsign'))
# this usage needs further investigation.
#env.CacheDir('%s/Cache/%s' % (env['BUILDDIR'], frontend))

print "Building all targets recursively"

if env.has_key('rebuild'):
  rebuild_targets = env['rebuild'].split(',')
else:
  rebuild_targets = None

def libExists(libname):
  ''' Check whether or not lib $LOCALLIBNAME/libname already exists'''
  return os.path.isfile(File(env.subst('$LOCALLIBPATH/${LIBPREFIX}%s$LIBSUFFIX'%libname)).abspath)

targets = BUILD_TARGETS
# msvc need to pass full target name, so I have to look for path/lyx etc
build_lyx = targets == [] or True in ['lyx' in x for x in targets] \
  or 'install' in targets or 'all' in targets
build_boost = (env['INCLUDED_BOOST'] and not libExists('boost_regex')) or 'boost' in targets
build_intl = (included_gettext and not libExists('included_intl')) or 'intl' in targets
build_support = build_lyx or True in [x in targets for x in ['support', 'client', 'tex2lyx']]
build_mathed = build_lyx or 'mathed' in targets
build_insets = build_lyx or 'insets' in targets
build_frontends = build_lyx or 'frontends' in targets
build_graphics = build_lyx or 'graphics' in targets
build_controllers = build_lyx or 'controllers' in targets
build_client = True in ['client' in x for x in targets] \
  or 'install' in targets or 'all' in targets
build_tex2lyx = True in ['tex2lyx' in x for x in targets] \
  or 'install' in targets or 'all' in targets
build_lyxbase = build_lyx or 'lyxbase' in targets
build_po = 'po' in targets or 'install' in targets or 'all' in targets
build_qt2 = (build_lyx and frontend == 'qt2') or 'qt2' in targets
build_qt3 = (build_lyx and frontend == 'qt3') or 'qt3' in targets
build_qt4 = (build_lyx and frontend == 'qt4') or 'qt4' in targets
build_msvs_projects = use_vc and 'msvs_projects' in targets


# now, if rebuild_targets is specified, do not rebuild some targets
rebuild_targets = rebuild_targets
if rebuild_targets:
  def ifBuildLib(name, libname, old_value):
    # explicitly asked to rebuild
    if name in rebuild_targets:
      return True
    # else if not rebuild, and if the library already exists
    elif libExists(libname):
      return False
    # do not change the original value
    else:
      return old_value
  build_boost = ifBuildLib('boost', 'included_boost_filesystem', build_boost)
  build_intl = ifBuildLib('intl', 'included_intl', build_intl)
  build_support = ifBuildLib('support', 'support', build_support)
  build_mathed = ifBuildLib('mathed', 'mathed', build_mathed)
  build_insets = ifBuildLib('insets', 'insets', build_insets)
  build_frontends = ifBuildLib('frontends', 'frontends', build_frontends)
  build_graphics = ifBuildLib('graphics', 'graphics', build_graphics)
  build_controllers = ifBuildLib('controllers', 'controllers', build_controllers)
  build_lyxbase = ifBuildLib('lyxbase', 'lyxbase_pre', build_lyxbase)
  build_qt2 = ifBuildLib('qt2', 'qt2', build_qt2)
  build_qt3 = ifBuildLib('qt3', 'qt3', build_qt3)
  build_qt4 = ifBuildLib('qt4', 'qt4', build_qt4)

# sync frontend and frontend (maybe build qt4 with frontend=qt3)
if build_qt2:
  frontend = 'qt2'
elif build_qt3:
  frontend = 'qt3'
elif build_qt4:
  frontend = 'qt4'


if build_boost:
  #
  # boost libraries
  #
  # special builddir
  env.BuildDir('$BUILDDIR/boost', '$TOP_SRCDIR/boost/libs', duplicate = 0)

  boostenv = env.Copy()
  #
  #
  # boost use its own config.h
  boostenv['CPPPATH'] = ['$TOP_SRCDIR/boost', '$BUILDDIR/boost'] + extra_inc_paths
  boostenv.AppendUnique(CCFLAGS = ['-DBOOST_USER_CONFIG="<config.h>"'])

  for lib in boost_libs:
    print 'Processing files in boost/libs/%s/src...' % lib
    boostlib = boostenv.StaticLibrary(
      target = '$LOCALLIBPATH/included_boost_%s' % lib,
      source = utils.globSource(dir = env.subst('$TOP_SRCDIR/boost/libs/%s/src' % lib),
        pattern = '*.cpp', build_dir = '$BUILDDIR/boost/%s/src' % lib)
    )
    Alias('boost', boostlib)


if build_intl:
  #
  # intl
  #
  intlenv = env.Copy()
  #
  intl_config_h = os.path.join(intlenv.Dir('$BUILDDIR/intl').path, 'config.h')
  if not os.path.isfile(intl_config_h) or not fast_start:
    #
    print "Creating %s..." % intl_config_h
    #
    # start another configuration session.
    conf = Configure(intlenv,
      custom_tests = {
        'CheckLC_MESSAGES' : utils.checkLC_MESSAGES,
        'CheckIconvConst' : utils.checkIconvConst,
      }
    )
    # create config.h
    result = utils.createConfigFile(conf,
      config_file = intl_config_h,
      config_pre = '''/* intl/config.h.  Generated by SCons.  */

/* -*- C++ -*- */
/*
 * \file config.h
 * This file is part of LyX, the document processor.
 * Licence details can be found in the file COPYING.
 *
 * This is the compilation configuration file for LyX.
 * It was generated by scon.
 * You might want to change some of the defaults if something goes wrong
 * during the compilation.
 */

#ifndef _CONFIG_H
#define _CONFIG_H
''',
      headers = [
        ('unistd.h', 'HAVE_UNISTD_H', 'c'),
        ('inttypes.h', 'HAVE_INTTYPES_H', 'c'),
        ('string.h', 'HAVE_STRING_H', 'c'),
        ('strings.h', 'HAVE_STRINGS_H', 'c'),
        ('argz.h', 'HAVE_ARGZ_H', 'c'),
        ('limits.h', 'HAVE_LIMITS_H', 'c'),
        ('alloca.h', 'HAVE_ALLOCA_H', 'c'),
        ('stddef.h', 'HAVE_STDDEF_H', 'c'),
        ('stdint.h', 'HAVE_STDINT_H', 'c'),
        ('sys/param.h', 'HAVE_SYS_PARAM_H', 'c'),
      ],
      functions = [
        ('getcwd', 'HAVE_GETCWD', None),
        ('stpcpy', 'HAVE_STPCPY', None),
        ('strcasecmp', 'HAVE_STRCASECMP', None),
        ('strdup', 'HAVE_STRDUP', None),
        ('strtoul', 'HAVE_STRTOUL', None),
        ('alloca', 'HAVE_ALLOCA', None),
        ('__fsetlocking', 'HAVE___FSETLOCKING', None),
        ('mempcpy', 'HAVE_MEMPCPY', None),
        ('__argz_count', 'HAVE___ARGZ_COUNT', None),
        ('__argz_next', 'HAVE___ARGZ_NEXT', None),
        ('__argz_stringify', 'HAVE___ARGZ_STRINGIFY', None),
        ('setlocale', 'HAVE_SETLOCALE', None),
        ('tsearch', 'HAVE_TSEARCH', None),
        ('getegid', 'HAVE_GETEGID', None),
        ('getgid', 'HAVE_GETGID', None),
        ('getuid', 'HAVE_GETUID', None),
        ('wcslen', 'HAVE_WCSLEN', None),
        ('asprintf', 'HAVE_ASPRINTF', None),
        ('wprintf', 'HAVE_WPRINTF', None),
        ('snprintf', 'HAVE_SNPRINTF', None),
        ('printf', 'HAVE_POSIX_PRINTF', None),
        ('fcntl', 'HAVE_FCNTL', None),
      ],
      types = [
        ('intmax_t', 'HAVE_INTMAX_T', None),
        ('long double', 'HAVE_LONG_DOUBLE', None),
        ('long long', 'HAVE_LONG_LONG', None),
        ('wchar_t', 'HAVE_WCHAR_T', None),
        ('wint_t', 'HAVE_WINT_T', None),
        ('uintmax_t', 'HAVE_INTTYPES_H_WITH_UINTMAX', '#include <inttypes.h>'),
        ('uintmax_t', 'HAVE_STDINT_H_WITH_UINTMAX', '#include <stdint.h>'),
      ],
      libs = [
        (('iconv', 'libiconv'), 'HAVE_ICONV', 'ICONV_LIB'),
        ('c', 'HAVE_LIBC'),
      ],
      custom_tests = [
        (conf.CheckLC_MESSAGES(),
          'HAVE_LC_MESSAGES',
          'Define if your <locale.h> file defines LC_MESSAGES.'
        ),
        (conf.CheckIconvConst(),
          'ICONV_CONST',
          'Define as const if the declaration of iconv() needs const.',
          '#define ICONV_CONST',
          '#define ICONV_CONST const',
        ),
        (conf.CheckType('intmax_t', includes='#include <stdint.h>') or \
         conf.CheckType('intmax_t', includes='#include <inttypes.h>'),
          'HAVE_INTMAX_T',
          "Define to 1 if you have the `intmax_t' type."
        ),
        (env.has_key('nls') and env['nls'],
          'ENABLE_NLS',
          "Define to 1 if translation of program messages to the user's native anguage is requested.",
        ),
      ],
      config_post = '#endif'
    )
    conf.Finish()
    # these keys are needed in env
    for key in ['HAVE_ASPRINTF', 'HAVE_WPRINTF', 'HAVE_SNPRINTF', \
      'HAVE_POSIX_PRINTF', 'HAVE_ICONV', 'HAVE_LIBC']:
      # USE_ASPELL etc does not go through result
      if result.has_key(key):
        env[key] = result[key]
      env_cache[key] = env[key]
  else:
    # only a few variables need to be rescanned
    for key in ['HAVE_ASPRINTF', 'HAVE_WPRINTF', 'HAVE_SNPRINTF', \
      'HAVE_POSIX_PRINTF', 'HAVE_ICONV', 'HAVE_LIBC']:
      env[key] = env_cache[key]

  print "Processing files in intl..."

  env.BuildDir('$BUILDDIR/intl', '$TOP_SRCDIR/intl', duplicate = 0)

  # we need the original C compiler for these files
  intlenv['CC'] = C_COMPILER
  intlenv['CCFLAGS'] = C_CCFLAGS
  if use_vc:
    intlenv.Append(CCFLAGS=['/Dinline#', '/D__attribute__(x)#', '/Duintmax_t=UINT_MAX'])
  # intl does not use global config.h
  intlenv['CPPPATH'] = ['$BUILDDIR/intl'] + extra_inc_paths

  intlenv.Append(CCFLAGS = [
    r'-DLOCALEDIR=\"' + env['LOCALEDIR'].replace('\\', '\\\\') + r'\"',
    r'-DLOCALE_ALIAS_PATH=\"' + env['LOCALEDIR'].replace('\\', '\\\\') + r'\"',
    r'-DLIBDIR=\"' + env['TOP_SRCDIR'].replace('\\', '\\\\') + r'/lib\"',
    '-DIN_LIBINTL',
    '-DENABLE_RELOCATABLE=1',
    '-DIN_LIBRARY',
    r'-DINSTALLDIR=\"' + prefix.replace('\\', '\\\\') + r'/lib\"',
    '-DNO_XMALLOC',
    '-Dset_relocation_prefix=libintl_set_relocation_prefix',
    '-Drelocate=libintl_relocate',
    '-DDEPENDS_ON_LIBICONV=1',
    '-DHAVE_CONFIG_H'
    ]
  )

  # libgnuintl.h.in => libintl.h
  env.substFile('$TOP_SRCDIR/intl/libintl.h', '$TOP_SRCDIR/intl/libgnuintl.h.in')
  env.Command('$TOP_SRCDIR/intl/libgnuintl.h', '$TOP_SRCDIR/intl/libintl.h',
      [Copy('$TARGET', '$SOURCE')])

  intl = intlenv.StaticLibrary(
    target = '$LOCALLIBPATH/included_intl',
    LIBS = ['c'],
    source = utils.globSource(dir = env.subst('$TOP_SRCDIR/intl'), pattern = '*.c',
      exclude = ['vasnprintf.c', 'printf-parse.c', 'printf-args.c', 'os2compat.c'],
      build_dir = '$BUILDDIR/intl')
  )
  Alias('intl', intl)


#
# Now, src code under src/
#
env.BuildDir('$BUILDDIR/common', '$TOP_SRCDIR/src', duplicate = 0)


if build_support:
  #
  # src/support
  #
  print "Processing files in src/support..."

  env.substFile('$BUILDDIR/common/support/package.C', '$TOP_SRCDIR/src/support/package.C.in')

  support = env.StaticLibrary(
    target = '$LOCALLIBPATH/support',
    source = utils.globSource(dir = env.subst('$TOP_SRCDIR/src/support'), pattern = lyx_ext,
      exclude = ['os_win32.C', 'os_unix.C', 'os_cygwin.C', 'os_os2.C', 'atexit.c'],
      include = ['package.C'], build_dir = '$BUILDDIR/common/support')
  )
  Alias('support', support)


if build_mathed:
  #
  # src/mathed
  #
  print "Processing files in src/mathed..."
  env['PCH_H'] = '$TOP_SRCDIR/src/mathed/pch.h'
  env['PCH_FILE'] = env.PCH(env['PCH_H'])
  #
  mathed = env.StaticLibrary(
    target = '$LOCALLIBPATH/mathed',
    source = env['PCH_FILE'] + utils.globSource(dir = env.subst('$TOP_SRCDIR/src/mathed'),
      pattern = lyx_ext,
      exclude = ['math_xyarrowinset.C', 'math_mboxinset.C', 'formulamacro.C'],
      build_dir = '$BUILDDIR/common/mathed')
  )
  Alias('mathed', mathed)


if build_insets:
  #
  # src/insets
  #
  print "Processing files in src/insets..."
  #
  insets = env.StaticLibrary(
    target = '$LOCALLIBPATH/insets',
    source = utils.globSource(dir = env.subst('$TOP_SRCDIR/src/insets'),
      pattern = lyx_ext,
      exclude = ['insettheorem.C'], build_dir = '$BUILDDIR/common/insets')
  )
  Alias('insets', insets)


if build_frontends:
  #
  # src/frontends
  #
  print "Processing files in src/frontends..."

  frontends = env.StaticLibrary(
    target = '$LOCALLIBPATH/frontends',
    source = utils.globSource(dir = env.subst('$TOP_SRCDIR/src/frontends'), pattern = lyx_ext,
      build_dir = '$BUILDDIR/common/frontends')
  )
  Alias('frontends', frontends)


if build_graphics:
  #
  # src/graphics
  #
  print "Processing files in src/graphics..."

  graphics = env.StaticLibrary(
    target = '$LOCALLIBPATH/graphics',
    source = utils.globSource(dir = env.subst('$TOP_SRCDIR/src/graphics'), pattern = lyx_ext,
      build_dir = '$BUILDDIR/common/graphics')
  )
  Alias('graphics', graphics)


if build_controllers:
  #
  # src/frontends/controllers
  #
  print "Processing files in src/frontends/controllers..."

  controllers = env.StaticLibrary(
    target = '$LOCALLIBPATH/controllers',
    source = utils.globSource(dir = env.subst('$TOP_SRCDIR/src/frontends/controllers'), pattern = lyx_ext,
      build_dir = '$BUILDDIR/common/frontends/controllers')
  )
  Alias('controllers', controllers)


#
# src/frontend/qt2/3/4
#
if build_qt2 or build_qt3 or build_qt4:
  env.BuildDir('$BUILDDIR/$frontend', '$TOP_SRCDIR/src/frontend/$frontend', duplicate = 0)


if build_qt2:
  print "Processing files in src/frontends/qt2..."

  qt2env = env.Copy()
  # disable auto scan to speed up non build time
  qt2env['QT_AUTOSCAN'] = 0
  qt2env['QT_MOCHPREFIX'] = ''

  # load qt2 tools
  qt2env.Tool('qt')

  qt2env.AppendUnique(CPPPATH = [
    '$BUILDDIR/common',
    '$BUILDDIR/common/images',
    '$BUILDDIR/common/frontends',
    '$BUILDDIR/common/frontends/qt2',
    '$BUILDDIR/common/frontends/controllers',
    qt_inc_path]
  )

  qt2_moc_files = ["$BUILDDIR/common/frontends/qt2/%s" % x for x in Split('''
    BulletsModule.C
    emptytable.C
    FileDialog_private.C
    floatplacement.C
    iconpalette.C
    lengthcombo.C
    panelstack.C
    QAboutDialog.C
    QBibitemDialog.C
    QBibtexDialog.C
    QBoxDialog.C
    QBranchDialog.C
    QBrowseBox.C
    QChangesDialog.C
    QCharacterDialog.C
    QCitationDialog.C
    QCommandBuffer.C
    QCommandEdit.C
    QContentPane.C
    QDelimiterDialog.C
    QDocumentDialog.C
    QErrorListDialog.C
    QERTDialog.C
    QExternalDialog.C
    QFloatDialog.C
    QGraphicsDialog.C
    QIncludeDialog.C
    QIndexDialog.C
    QLogDialog.C
    QLPopupMenu.C
    QLPrintDialog.C
    QMathDialog.C
    QMathMatrixDialog.C
    QNoteDialog.C
    QParagraphDialog.C
    QPrefsDialog.C
    QRefDialog.C
    QSearchDialog.C
    QSendtoDialog.C
    qsetborder.C
    QShowFileDialog.C
    QSpellcheckerDialog.C
    QDialogView.C
    QTabularCreateDialog.C
    QTabularDialog.C
    QTexinfoDialog.C
    QThesaurusDialog.C
    QTocDialog.C
    qttableview.C
    QtView.C
    QURLDialog.C
    QVSpaceDialog.C
    QWrapDialog.C
    QLToolbar.C
    socket_callback.C
    validators.C
  ''')]

  # manually moc and uic files for better performance
  qt2_moced_files = [qt2env.Moc(x.replace('.C', '_moc.cpp'), x.replace('.C', '.h')) for x in qt2_moc_files]

  qt2_uiced_files = [qt2env.Uic('$BUILDDIR/common/frontends/qt2/ui/'+x) for x in \
     utils.globSource(dir = env.subst('$TOP_SRCDIR/src/frontends/qt2/ui'), pattern = '*.ui')]

  qt2_uiced_cc_files = []
  for x in qt2_uiced_files:
    qt2_uiced_cc_files.extend(x[1:])

  qt2 = qt2env.StaticLibrary(
    target = '$LOCALLIBPATH/qt2',
    source = utils.globSource(dir = env.subst('$TOP_SRCDIR/src/frontends/qt2/'), pattern = lyx_ext,
      build_dir = '$BUILDDIR/common/frontends/qt2') + qt2_moced_files + qt2_uiced_cc_files
  )
  Alias('qt2', qt2)


if build_qt3:
  print "Processing files in src/frontends/qt3..."

  qt3env = env.Copy()
  # disable auto scan to speed up non build time
  qt3env['QT_AUTOSCAN'] = 0
  qt3env['QT_MOCHPREFIX'] = ''

  # load qt3 tools
  qt3env.Tool('qt')

  qt3env.AppendUnique(CPPPATH = [
    '$BUILDDIR/common',
    '$BUILDDIR/common/images',
    '$BUILDDIR/common/frontends',
    '$BUILDDIR/common/frontends/qt3',
    '$BUILDDIR/common/frontends/controllers',
    qt_inc_path]
  )

  qt3_moc_files = ["$BUILDDIR/common/frontends/qt3/%s" % x for x in Split('''
    BulletsModule.C
    emptytable.C
    FileDialog_private.C
    floatplacement.C
    iconpalette.C
    lengthcombo.C
    panelstack.C
    QAboutDialog.C
    QBibitemDialog.C
    QBibtexDialog.C
    QBoxDialog.C
    QBranchDialog.C
    QBrowseBox.C
    QChangesDialog.C
    QCharacterDialog.C
    QCitationDialog.C
    QCommandBuffer.C
    QCommandEdit.C
    QContentPane.C
    QDelimiterDialog.C
    QDocumentDialog.C
    QErrorListDialog.C
    QERTDialog.C
    QExternalDialog.C
    QFloatDialog.C
    QGraphicsDialog.C
    QIncludeDialog.C
    QIndexDialog.C
    QLogDialog.C
    QViewSourceDialog.C
    QLPopupMenu.C
    QLPrintDialog.C
    QMathDialog.C
    QMathMatrixDialog.C
    QNoteDialog.C
    QParagraphDialog.C
    QPrefsDialog.C
    QRefDialog.C
    QSearchDialog.C
    QSendtoDialog.C
    qsetborder.C
    QShowFileDialog.C
    QSpellcheckerDialog.C
    QDialogView.C
    QTabularCreateDialog.C
    QTabularDialog.C
    QTexinfoDialog.C
    QThesaurusDialog.C
    QTocDialog.C
    qttableview.C
    QtView.C
    QURLDialog.C
    QVSpaceDialog.C
    QWrapDialog.C
    QLToolbar.C
    socket_callback.C
    validators.C
  ''')]

  # manually moc and uic files for better performance
  qt3_moced_files = [qt3env.Moc(x.replace('.C', '_moc.cpp'), x.replace('.C', '.h')) for x in qt3_moc_files]

  qt3_uiced_files = [qt3env.Uic('$BUILDDIR/common/frontends/qt3/ui/'+x) for x in \
     utils.globSource(dir = env.subst('$TOP_SRCDIR/src/frontends/qt3/ui'), pattern = '*.ui')]

  qt3_uiced_cc_files = []
  for x in qt3_uiced_files:
    qt3_uiced_cc_files.extend(x[1:])

  qt3 = qt3env.StaticLibrary(
    target = '$LOCALLIBPATH/qt3',
    source = utils.globSource(dir = env.subst('$TOP_SRCDIR/src/frontends/qt3/'), pattern = lyx_ext,
      build_dir = '$BUILDDIR/common/frontends/qt3') + qt3_moced_files + qt3_uiced_cc_files
  )
  Alias('qt3', qt3)


if build_qt4:
  print "Processing files in src/frontends/qt4..."

  qt4env = env.Copy()
  qt4env['QT_AUTOSCAN'] = 0

  # local qt4 toolset from
  # http://www.iua.upf.es/~dgarcia/Codders/sconstools.html
  #
  # NOTE: I have to patch qt4.py since it does not automatically
  # process .C file!!! (add to cxx_suffixes )
  #
  qt4env.Tool('qt4', [scons_dir])
  qt4env.EnableQt4Modules(qt_libs, debug = (mode == 'debug'))

  qt4env.AppendUnique(CPPPATH = [
    '$BUILDDIR/common',
    '$BUILDDIR/common/images',
    '$BUILDDIR/common/frontends',
    '$BUILDDIR/common/frontends/qt4',
    '$BUILDDIR/common/frontends/controllers',
    qt_inc_path
    ]
  )

  # FIXME: replace by something from pkg_config
  qt4env.Append(CCFLAGS = [
    '-DHAVE_CONFIG_H',
    '-DQT_CLEAN_NAMESPACE',
    '-DQT_GENUINE_STR',
    '-DQT_NO_STL',
    '-DQT3_SUPPORT',
    ]
  )


  qt4_moc_files = ["$BUILDDIR/common/frontends/qt4/%s" % x for x in Split('''
    BulletsModule.C
    emptytable.C
    FileDialog_private.C
    floatplacement.C
    iconpalette.C
    lengthcombo.C
    InsertTableWidget.C
    panelstack.C
    QAboutDialog.C
    QBibitemDialog.C
    QBibtexDialog.C
    QBoxDialog.C
    QBranchDialog.C
    QBranches.C
    QChangesDialog.C
    QCharacterDialog.C
    QCitationDialog.C
    QCommandBuffer.C
    QCommandEdit.C
    QDelimiterDialog.C
    QDocumentDialog.C
    QErrorListDialog.C
    QERTDialog.C
    QExternalDialog.C
    QFloatDialog.C
    QGraphicsDialog.C
    QIncludeDialog.C
    QIndexDialog.C
    Action.C
    QLogDialog.C
    QViewSourceDialog.C
    QViewSource.C
    QLMenubar.C
    QLPopupMenu.C
    QLPrintDialog.C
    QMathDialog.C
    QMathMatrixDialog.C
    QNoteDialog.C
    QParagraphDialog.C
    QPrefsDialog.C
    QRefDialog.C
    QSearchDialog.C
    QSendtoDialog.C
    qsetborder.C
    QShowFileDialog.C
    QSpellcheckerDialog.C
    QDialogView.C
    QTabularCreateDialog.C
    QTabularDialog.C
    QTexinfoDialog.C
    QThesaurusDialog.C
    TocModel.C
    QTocDialog.C
    GuiView.C
    QURLDialog.C
    QVSpaceDialog.C
    GuiWorkArea.C
    QWrapDialog.C
    QLToolbar.C
    socket_callback.C
    validators.C
  ''') ]

  #
  # Compile resources
  #
  resources = [qt4env.Uic4(x.split('.')[0]) for x in \
    utils.globSource(dir = env.subst('$TOP_SRCDIR/src/frontends/qt4/ui'), pattern = '*.ui',
      build_dir = '$BUILDDIR/common/frontends/qt4/ui')]

  #
  # moc qt4_moc_files, the moced files are included in the original files
  #
  qt4_moced_files = [qt4env.Moc4(x.replace('.C', '_moc.cpp'), x.replace('.C', '.h')) for x in qt4_moc_files]

  qt4 = qt4env.StaticLibrary(
    target = '$LOCALLIBPATH/qt4',
    source = utils.globSource(dir = env.subst('$TOP_SRCDIR/src/frontends/qt4'), pattern = lyx_ext,
      exclude = ['QBrowseBox.C'], build_dir = '$BUILDDIR/common/frontends/qt4')
  )
  Alias('qt4', qt4)


if build_client:
  #
  # src/client
  #
  env.BuildDir('$BUILDDIR/common', '$TOP_SRCDIR/src', duplicate = 0)

  print "Processing files in src/client..."

  if env['HAVE_FCNTL']:
    client = env.Program(
      target = '$BUILDDIR/common/client/lyxclient',
      LIBS = ['support'] + intl_libs + system_libs +
        socket_libs + boost_libraries,
      source = utils.globSource(dir = env.subst('$TOP_SRCDIR/src/client'), pattern = lyx_ext,
        build_dir = '$BUILDDIR/common/client')
    )
    Alias('client', env.Command(os.path.join('$BUILDDIR', os.path.split(str(client[0]))[1]),
      client, [Copy('$TARGET', '$SOURCE')]))
  else:
    client = None
  Alias('client', client)


if build_tex2lyx:
  #
  # tex2lyx
  #
  print "Processing files in src/tex2lyx..."

  tex2lyx_env = env.Copy()
  #
  tex2lyx_env.Prepend(CPPPATH = ['$BUILDDIR/common/tex2lyx'])
  tex2lyx_env.AppendUnique(LIBPATH = ['#$LOCALLIBPATH'])

  for file in ['FloatList.C', 'Floating.C', 'counters.C', 'lyxlayout.h', 'lyxlayout.C',
    'lyxtextclass.h', 'lyxtextclass.C', 'lyxlex.C', 'lyxlex_pimpl.C']:
    env.Command('$BUILDDIR/common/tex2lyx/'+file, '$TOP_SRCDIR/src/'+file,
      [Copy('$TARGET', '$SOURCE')])

  tex2lyx = tex2lyx_env.Program(
    target = '$BUILDDIR/common/tex2lyx/tex2lyx',
    LIBS = ['support'] + boost_libraries + system_libs,
    source = utils.globSource(dir = env.subst('$TOP_SRCDIR/src/tex2lyx'), pattern = lyx_ext,
      include = ['FloatList.C', 'Floating.C', 'counters.C', 'lyxlayout.C',
        'lyxtextclass.C', 'lyxlex.C', 'lyxlex_pimpl.C'],
      build_dir = '$BUILDDIR/common/tex2lyx')
  )
  Alias('tex2lyx', env.Command(os.path.join('$BUILDDIR', os.path.split(str(tex2lyx[0]))[1]),
    tex2lyx, [Copy('$TARGET', '$SOURCE')]))
  Alias('tex2lyx', tex2lyx)


if build_lyxbase:
  #
  # src/
  #
  print "Processing files in src..."

  env.substFile('$BUILDDIR/common/version.C', '$TOP_SRCDIR/src/version.C.in')

  lyx_post_source = Split('''
    tabular.C
    dimension.C
    PrinterParams.C
    box.C
    Thesaurus.C
    SpellBase.C
  ''')

  if env.has_key('USE_ASPELL') and env['USE_ASPELL']:
    lyx_post_source.append('aspell.C')
  elif env.has_key('USE_PSPELL') and env['USE_PSPELL']:
    lyx_post_source.append('pspell.C')
  elif env.has_key('USE_ISPELL') and env['USE_ISPELL']:
    lyx_post_source.append('ispell.C')

  # msvc requires at least one source file with main()
  # so I exclude main.C from lyxbase
  lyxbase_pre = env.StaticLibrary(
    target = '$LOCALLIBPATH/lyxbase_pre',
    source = utils.globSource(dir = env.subst('$TOP_SRCDIR/src'), pattern = lyx_ext,
      exclude = lyx_post_source + ['main.C', 'aspell.C', 'pspell.C',
        'ispell.C', 'Variables.C', 'Sectioning.C'],
      include = ['version.C'], build_dir = '$BUILDDIR/common')
  )
  lyxbase_post = env.StaticLibrary(
    target = '$LOCALLIBPATH/lyxbase_post',
    source = ["$BUILDDIR/common/%s" % x for x in lyx_post_source]
  )
  Alias('lyxbase', lyxbase_pre)
  Alias('lyxbase', lyxbase_post)


if build_lyx:
  #
  # Build lyx with given frontend
  #
  lyx = env.Program(
    target = '$BUILDDIR/$frontend/lyx',
    source = ['$BUILDDIR/common/main.C'],
    LIBS = [
      'lyxbase_pre',
      'mathed',
      'insets',
      'frontends',
      frontend,
      'controllers',
      'graphics',
      'support',
      'lyxbase_post',
      ] +
      boost_libraries +
      frontend_libs +
      intl_libs +
      socket_libs +
      system_libs
  )
  # [/path/to/lyx.ext] => lyx-qt3.ext
  target_name = os.path.split(str(lyx[0]))[1].replace('lyx', 'lyx-%s' % frontend)
  Alias('lyx', env.Command(os.path.join('$BUILDDIR', target_name), lyx,
    [Copy('$TARGET', '$SOURCE')]))
  Alias('lyx', lyx)


if build_msvs_projects:
  def build_project(target, dir, full_target = None,
    src_pattern = lyx_ext, include = [], resource = None, rebuild = True):
    ''' build mavs project files
      target:      alias (correspond to directory name)
      dir:         source directory or directories (a list)
      full_target: full path/filename of the target
      src_pattern: glob pattern
      include:     files to include into source
      resource:    directory or directories with resource (.ui) files
      rebuild:     whether or not only rebuild this target

    For non-debug-able targets like static libraries, target (alias) is
    enough to build the target. For executable targets, msvs need to know
    the full path to start debug them.
    '''
    if resource is not None:
      res = utils.globSource(dir = env.subst('$TOP_SRCDIR/'+resource), pattern = '*.ui',
        build_dir = env.subst('$TOP_SRCDIR/'+resource))
    else:
      res = []
    if rebuild:
      cmds = 'faststart=yes rebuild='+target
    else:
      cmds = 'faststart=yes'
    if type(dir) == type([]):
      src = []
      inc = []
      for d in dir:
        src.extend(utils.globSource(dir = env.subst('$TOP_SRCDIR/' + d),
          pattern = src_pattern, include = include,
          build_dir = env.subst('$TOP_SRCDIR/' + d) ))
        inc.extend(utils.globSource(dir = env.subst('$TOP_SRCDIR/' + d),
          pattern = '*.h',
          build_dir = env.subst('$TOP_SRCDIR/' + d) ))
    else:
      src = utils.globSource(dir = env.subst('$TOP_SRCDIR/' + dir),
        pattern = src_pattern, include = include,
        build_dir = env.subst('$TOP_SRCDIR/' + dir) )
      inc = utils.globSource(dir = env.subst('$TOP_SRCDIR/' + dir),
        pattern = '*.h',
        build_dir = env.subst('$TOP_SRCDIR/' + dir) )
    if full_target is None:
      build_target = target
    else:
      build_target = full_target
    # project
    proj = env.MSVSProject(
      target = target + env['MSVSPROJECTSUFFIX'],
      srcs = src,
      incs = [env.subst('$TOP_SRCDIR/src/config.h')],
      localincs = inc,
      resources = res,
      buildtarget = build_target,
      cmdargs = cmds,
      variant = 'Debug'
    )
    Alias('msvs_projects', proj)
  #
  build_project('boost', ['boost/libs/%s/src' % x for x in boost_libs],
    src_pattern = '*.cpp')
  #
  build_project('intl', 'intl', src_pattern = '*.c')
  #
  build_project('support', 'src/support', include=['package.C.in'])
  #
  build_project('mathed', 'src/mathed')
  #
  build_project('insets', 'src/insets')
  #
  build_project('frontends', 'src/frontends')
  #
  build_project('graphics', 'src/graphics')
  #
  build_project('controllers', 'src/frontends/controllers')
  #
  build_project('qt3', 'src/frontends/qt3', resource = 'src/frontends/qt3/ui')
  #
  build_project('qt4', 'src/frontends/qt4', resource = 'src/frontends/qt4/ui')
  #
  build_project('client', 'src/client', rebuild=False,
    full_target = File(env.subst('$BUILDDIR/common/client/lyxclient$PROGSUFFIX')).abspath)
  #
  build_project('tex2lyx', 'src/tex2lyx', rebuild=False,
    full_target = File(env.subst('$BUILDDIR/common/tex2lyx/tex2lyx$PROGSUFFIX')).abspath)
  #
  build_project('lyxbase', 'src')
  #
  if frontend == 'qt3':
    build_project('lyx', ['src', 'src/support', 'src/mathed', 'src/insets',
      'src/frontends', 'src/graphics', 'src/frontends/controllers',
      'src/frontends/qt3'], resource = 'src/frontends/qt3/ui',
      full_target = File(env.subst('$BUILDDIR/$frontend/lyx$PROGSUFFIX')).abspath)
  else:
    build_project('lyx', ['src', 'src/support', 'src/mathed', 'src/insets',
      'src/frontends', 'src/graphics', 'src/frontends/controllers',
      'src/frontends/qt4'], resource = 'src/frontends/qt4/ui',
      full_target = File(env.subst('$BUILDDIR/$frontend/lyx$PROGSUFFIX')).abspath)


if build_po:
  #
  # po/
  #
  print 'Processing files in po...'

  import glob
  # handle po files
  #
  # files to translate
  transfiles = glob.glob(os.path.join(env.subst('$TOP_SRCDIR'), 'po', '*.po'))
  # possibly *only* handle these languages
  languages = None
  if env.has_key('languages'):
    languages = env.make_list(env['lanauges'])
  # use defulat msgfmt
  if not env['MSGFMT']:
    print 'msgfmt does not exist. Can not process po files'
  else:
    # create a builder
    env['BUILDERS']['Transfiles'] = Builder(action='$MSGFMT $SOURCE -o $TARGET',suffix='.gmo',src_suffix='.po')
    #
    gmo_files = []
    for f in transfiles:
      # get filename
      fname = os.path.split(f)[1]
      # country code
      country = fname.split('.')[0]
      #
      if not languages or country in languages:
        gmo_files.extend(env.Transfiles(f))


if 'install' in targets:
  # if dest_dir is different from prefix.
  if env.has_key('exec_prefix'):
    bin_dest_dir = env['exec_prefix']
  else:
    bin_dest_dir = os.path.join(dest_dir, 'bin')
  if add_suffix:
    share_dest_dir = os.path.join(dest_dir, share_dir + program_suffix)
  else:
    share_dest_dir = os.path.join(dest_dir, share_dir)
  man_dest_dir = os.path.join(dest_dir, man_dir)
  locale_dest_dir = os.path.join(dest_dir, locale_dir)
  # create the directory if needed
  if not os.path.isdir(dest_dir):
    try:
      os.makedirs(dest_dir)
    except:
      pass
    if not os.path.isdir(dest_dir):
      print 'Can not create directory', dest_dir
      Exit(3)
  #
  import glob
  #
  # do not install these files
  exclude_list = ['Makefile.am', 'Makefile.in', 'Makefile',
    'lyx2lyx_version.py', 'lyx2lyx_version.py.in']

  def install(dest, src):
    ''' recusive installation of src to dest '''
    # separate file and directory
    files = filter(lambda x: os.path.isfile(x) and not os.path.split(x)[1] in exclude_list, src)
    dirs = filter(os.path.isdir, src)
    # install file
    env.Install(dest, files)
    # install directory
    ins_dir = [dest]
    for dir in dirs:
      ins_dir.extend(install(os.path.join(dest, os.path.basename(dir)),
        glob.glob(os.path.join(dir, '*'))) )
    return ins_dir
  #
  # executables (some of them may be none)
  #
  if add_suffix:
    version_suffix = program_suffix
  else:
    version_suffix = ''
  #
  # install lyx
  target_name = os.path.split(str(lyx[0]))[1].replace('lyx', 'lyx%s' % version_suffix)
  target = os.path.join(bin_dest_dir, target_name)
  env.InstallAs(target, lyx)
  Alias('install', target)
  # install lyx as lyx-qt3
  target_name = os.path.split(str(lyx[0]))[1].replace('lyx', 'lyx-%s%s' % (frontend, version_suffix))
  target = os.path.join(bin_dest_dir, target_name)
  env.InstallAs(target, lyx)
  Alias('install', target)
  #
  # install tex2lyx
  target_name = os.path.split(str(tex2lyx[0]))[1].replace('tex2lyx', 'tex2lyx%s' % version_suffix)
  target = os.path.join(bin_dest_dir, target_name)
  env.InstallAs(target, tex2lyx)
  Alias('install', target)
  #
  # install lyxclient, may not exist
  if client != None:
    target_name = os.path.split(str(client[0]))[1].replace('client', 'client%s' % version_suffix)
    target = os.path.join(bin_dest_dir, target_name)
    env.InstallAs(target, client)
    Alias('install', target)
  #
  # share/lyx
  dirs = install(share_dest_dir,
    [env.subst('$TOP_SRCDIR/lib/') + file for file in ['configure.py', 'encodings',
     'chkconfig.ltx', 'CREDITS', 'external_templates', 'symbols', 'languages',
     'lyxrc.example', 'syntax.default', 'bind', 'images', 'layouts', 'scripts',
     'templates', 'examples', 'kbd', 'lyx2lyx', 'tex', 'clipart', 'doc',  'ui']]
  )
  env.substFile(share_dest_dir + '/lyx2lyx/lyx2lyx_version.py',
    '$TOP_SRCDIR/lib/lyx2lyx/lyx2lyx_version.py.in')
  Alias('install', dirs)
  # man
  env.InstallAs(os.path.join(man_dest_dir, 'lyx' + version_suffix + '.1'),
    env.subst('$TOP_SRCDIR/lyx.man'))
  env.InstallAs(os.path.join(man_dest_dir, 'tex2lyx' + version_suffix + '.1'),
    env.subst('$TOP_SRCDIR/src/tex2lyx/tex2lyx.man'))
  env.InstallAs(os.path.join(man_dest_dir, 'lyxclient' + version_suffix + '.1'),
    env.subst('$TOP_SRCDIR/src/client/lyxclient.man'))
  Alias('install', [os.path.join(man_dest_dir, x + version_suffix + '.1') for
    x in ['lyx', 'tex2lyx', 'lyxclient']])
  # locale files?
  # ru.gmo ==> ru/LC_MESSAGES/lyxSUFFIX.mo
  for gmo in gmo_files:
    lan = os.path.split(str(gmo))[1].split('.')[0]
    dest_file = os.path.join(locale_dest_dir, lan, 'LC_MESSAGES', 'lyx' + version_suffix + '.mo')
    env.InstallAs(dest_file, gmo)
    Alias('install', dest_file)


Default('lyx')
Alias('all', ['lyx', 'client', 'tex2lyx'])


# save environment settings (for fast_start option)
cache_file = open(env_cache_file, 'w')
cPickle.dump(env_cache, cache_file)
cache_file.close()